Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Show popup transitions when there is no anchor set

Browse Source 
Allow anchorRoot to be null when starting exit transition. Pushes
epicenter callback creation into startExitTransition. Adds nullability
annotations.

Bug: 33035511
Test: PopupWindowTest#testEnterExitTransition
Change-Id: Ie752a0d6b29d5eb11c160771d8a78fa6234de5bb
This commit is contained in:
Alan Viverette
2016-12-05 10:56:18 -05:00
parent 3db0a14ab0
commit 61edf5bbff
1 changed files with 25 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
core/java/android/widget/PopupWindow.java
View File

@@ -1834,7 +1834,8 @@ public class PopupWindow {
// can expect the OnAttachStateChangeListener to have been called prior
// to executing this method, so we can rely on that instead.
final Transition exitTransition = mExitTransition;
if (mIsAnchorRootAttached && exitTransition != null && decorView.isLaidOut()) {
if (exitTransition != null && decorView.isLaidOut()
&& (mIsAnchorRootAttached || mAnchorRoot == null)) {
// The decor view is non-interactive and non-IME-focusable during exit transitions.
final LayoutParams p = (LayoutParams) decorView.getLayoutParams();
p.flags |= LayoutParams.FLAG_NOT_TOUCHABLE;
@@ -1842,18 +1843,13 @@ public class PopupWindow {
p.flags &= ~LayoutParams.FLAG_ALT_FOCUSABLE_IM;
mWindowManager.updateViewLayout(decorView, p);
final View anchorRoot = mAnchorRoot != null ? mAnchorRoot.get() : null;
final Rect epicenter = getTransitionEpicenter();
// Once we start dismissing the decor view, all state (including
// the anchor root) needs to be moved to the decor view since we
// may open another popup while it's busy exiting.
final View anchorRoot = mAnchorRoot != null ? mAnchorRoot.get() : null;
final Rect epicenter = getTransitionEpicenter();
exitTransition.setEpicenterCallback(new EpicenterCallback() {
@Override
public Rect onGetEpicenter(Transition transition) {
return epicenter;
}
});
decorView.startExitTransition(exitTransition, anchorRoot,
decorView.startExitTransition(exitTransition, anchorRoot, epicenter,
new TransitionListenerAdapter() {
@Override
public void onTransitionEnd(Transition transition) {
@@ -2348,8 +2344,9 @@ public class PopupWindow {
* its {@code onTransitionEnd} method called even if the transition
* never starts; however, it may be called with a {@code null} argument.
*/
public void startExitTransition(Transition transition, final View anchorRoot,
final TransitionListener listener) {
public void startExitTransition(@NonNull Transition transition,
@Nullable final View anchorRoot, @Nullable final Rect epicenter,
@NonNull final TransitionListener listener) {
if (transition == null) {
return;
}
@@ -2357,23 +2354,35 @@ public class PopupWindow {
// The anchor view's window may go away while we're executing our
// transition, in which case we need to end the transition
// immediately and execute the listener to remove the popup.
anchorRoot.addOnAttachStateChangeListener(mOnAnchorRootDetachedListener);
if (anchorRoot != null) {
anchorRoot.addOnAttachStateChangeListener(mOnAnchorRootDetachedListener);
}
// The exit listener MUST be called for cleanup, even if the
// transition never starts or ends. Stash it for later.
mPendingExitListener = new TransitionListenerAdapter() {
@Override
public void onTransitionEnd(Transition transition) {
anchorRoot.removeOnAttachStateChangeListener(mOnAnchorRootDetachedListener);
listener.onTransitionEnd(transition);
public void onTransitionEnd(Transition t) {
if (anchorRoot != null) {
anchorRoot.removeOnAttachStateChangeListener(mOnAnchorRootDetachedListener);
}
listener.onTransitionEnd(t);
// The listener was called. Our job here is done.
mPendingExitListener = null;
t.removeListener(this);
}
};
final Transition exitTransition = transition.clone();
exitTransition.addListener(mPendingExitListener);
exitTransition.setEpicenterCallback(new EpicenterCallback() {
@Override
public Rect onGetEpicenter(Transition transition) {
return epicenter;
}
});
final int count = getChildCount();
for (int i = 0; i < count; i++) {